For questions #8 – 9 use the following pictures:
A. B. C.
8. Which picture(s) would best represent atoms in the gas of a neon sign? Explain why.
9. Which picture(s) would best represent a rock? Explain why.

Aparticle with mass 1.81×10−3 kg and a charge of 1.22×10−8 c has, at a given instant, a velocity v⃗ =(3.00×104m/s)j^. what are the magnitude and direction of the particle’s acceleration produced by a uniform magnetic field b⃗ =(1.63t)i^+(0.980t)j^?

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted